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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
1da177e4 LT |
2 | /* |
3 | * Synaptics TouchPad PS/2 mouse driver | |
4 | * | |
5 | * 2003 Dmitry Torokhov <dtor@mail.ru> | |
6 | * Added support for pass-through port. Special thanks to Peter Berg Larsen | |
7 | * for explaining various Synaptics quirks. | |
8 | * | |
9 | * 2003 Peter Osterlund <petero2@telia.com> | |
10 | * Ported to 2.5 input device infrastructure. | |
11 | * | |
12 | * Copyright (C) 2001 Stefan Gmeiner <riddlebox@freesurf.ch> | |
13 | * start merging tpconfig and gpm code to a xfree-input module | |
14 | * adding some changes and extensions (ex. 3rd and 4th button) | |
15 | * | |
16 | * Copyright (c) 1997 C. Scott Ananian <cananian@alumni.priceton.edu> | |
17 | * Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com> | |
18 | * code for the special synaptics commands (from the tpconfig-source) | |
19 | * | |
1da177e4 LT |
20 | * Trademarks are the property of their respective owners. |
21 | */ | |
22 | ||
23 | #include <linux/module.h> | |
8521478f | 24 | #include <linux/delay.h> |
7705d548 | 25 | #include <linux/dmi.h> |
fec6e525 | 26 | #include <linux/input/mt.h> |
1da177e4 LT |
27 | #include <linux/serio.h> |
28 | #include <linux/libps2.h> | |
e839ffab BT |
29 | #include <linux/rmi.h> |
30 | #include <linux/i2c.h> | |
5a0e3ad6 | 31 | #include <linux/slab.h> |
1da177e4 LT |
32 | #include "psmouse.h" |
33 | #include "synaptics.h" | |
34 | ||
35 | /* | |
36 | * The x/y limits are taken from the Synaptics TouchPad interfacing Guide, | |
37 | * section 2.3.2, which says that they should be valid regardless of the | |
38 | * actual size of the sensor. | |
83ba9ea8 DT |
39 | * Note that newer firmware allows querying device for maximum useable |
40 | * coordinates. | |
1da177e4 | 41 | */ |
c0394506 SF |
42 | #define XMIN 0 |
43 | #define XMAX 6143 | |
44 | #define YMIN 0 | |
45 | #define YMAX 6143 | |
1da177e4 LT |
46 | #define XMIN_NOMINAL 1472 |
47 | #define XMAX_NOMINAL 5472 | |
48 | #define YMIN_NOMINAL 1408 | |
49 | #define YMAX_NOMINAL 4448 | |
50 | ||
c0394506 SF |
51 | /* Size in bits of absolute position values reported by the hardware */ |
52 | #define ABS_POS_BITS 13 | |
53 | ||
54 | /* | |
824efd37 SF |
55 | * These values should represent the absolute maximum value that will |
56 | * be reported for a positive position value. Some Synaptics firmware | |
57 | * uses this value to indicate a finger near the edge of the touchpad | |
58 | * whose precise position cannot be determined. | |
59 | * | |
60 | * At least one touchpad is known to report positions in excess of this | |
61 | * value which are actually negative values truncated to the 13-bit | |
62 | * reporting range. These values have never been observed to be lower | |
63 | * than 8184 (i.e. -8), so we treat all values greater than 8176 as | |
64 | * negative and any other value as positive. | |
c0394506 | 65 | */ |
824efd37 SF |
66 | #define X_MAX_POSITIVE 8176 |
67 | #define Y_MAX_POSITIVE 8176 | |
55e3d922 | 68 | |
58fd9af6 BT |
69 | /* maximum ABS_MT_POSITION displacement (in mm) */ |
70 | #define DMAX 10 | |
71 | ||
1da177e4 | 72 | /***************************************************************************** |
55e3d922 | 73 | * Stuff we need even when we do not want native Synaptics support |
1da177e4 LT |
74 | ****************************************************************************/ |
75 | ||
76 | /* | |
55e3d922 | 77 | * Set the synaptics touchpad mode byte by special commands |
1da177e4 | 78 | */ |
f6c4442b | 79 | static int synaptics_mode_cmd(struct psmouse *psmouse, u8 mode) |
1da177e4 | 80 | { |
f6c4442b | 81 | u8 param[1]; |
212baf03 DT |
82 | int error; |
83 | ||
08be954b | 84 | error = ps2_sliced_command(&psmouse->ps2dev, mode); |
212baf03 DT |
85 | if (error) |
86 | return error; | |
55e3d922 | 87 | |
55e3d922 | 88 | param[0] = SYN_PS_SET_MODE2; |
212baf03 DT |
89 | error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE); |
90 | if (error) | |
91 | return error; | |
92 | ||
1da177e4 LT |
93 | return 0; |
94 | } | |
95 | ||
b7802c5c | 96 | int synaptics_detect(struct psmouse *psmouse, bool set_properties) |
55e3d922 AS |
97 | { |
98 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
f39f8688 | 99 | u8 param[4] = { 0 }; |
55e3d922 AS |
100 | |
101 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
102 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
103 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
104 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
105 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO); | |
106 | ||
107 | if (param[1] != 0x47) | |
108 | return -ENODEV; | |
109 | ||
110 | if (set_properties) { | |
111 | psmouse->vendor = "Synaptics"; | |
112 | psmouse->name = "TouchPad"; | |
113 | } | |
114 | ||
115 | return 0; | |
116 | } | |
117 | ||
118 | void synaptics_reset(struct psmouse *psmouse) | |
119 | { | |
120 | /* reset touchpad back to relative mode, gestures enabled */ | |
121 | synaptics_mode_cmd(psmouse, 0); | |
122 | } | |
123 | ||
e839ffab BT |
124 | #if defined(CONFIG_MOUSE_PS2_SYNAPTICS) || \ |
125 | defined(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS) | |
0f68f39c | 126 | |
43e19888 HG |
127 | /* This list has been kindly provided by Synaptics. */ |
128 | static const char * const topbuttonpad_pnp_ids[] = { | |
129 | "LEN0017", | |
130 | "LEN0018", | |
131 | "LEN0019", | |
132 | "LEN0023", | |
133 | "LEN002A", | |
134 | "LEN002B", | |
135 | "LEN002C", | |
136 | "LEN002D", | |
137 | "LEN002E", | |
138 | "LEN0033", /* Helix */ | |
0f68f39c | 139 | "LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */ |
43e19888 HG |
140 | "LEN0035", /* X240 */ |
141 | "LEN0036", /* T440 */ | |
8543cf1c | 142 | "LEN0037", /* X1 Carbon 2nd */ |
43e19888 | 143 | "LEN0038", |
e4742b1e | 144 | "LEN0039", /* T440s */ |
43e19888 HG |
145 | "LEN0041", |
146 | "LEN0042", /* Yoga */ | |
147 | "LEN0045", | |
43e19888 | 148 | "LEN0047", |
43e19888 | 149 | "LEN0049", |
7f2ca8b5 | 150 | "LEN2000", /* S540 */ |
0f68f39c | 151 | "LEN2001", /* Edge E431 */ |
e76aed9d | 152 | "LEN2002", /* Edge E531 */ |
43e19888 HG |
153 | "LEN2003", |
154 | "LEN2004", /* L440 */ | |
155 | "LEN2005", | |
98dc0703 | 156 | "LEN2006", /* Edge E440/E540 */ |
43e19888 HG |
157 | "LEN2007", |
158 | "LEN2008", | |
159 | "LEN2009", | |
160 | "LEN200A", | |
161 | "LEN200B", | |
162 | NULL | |
163 | }; | |
55e3d922 | 164 | |
e839ffab BT |
165 | static const char * const smbus_pnp_ids[] = { |
166 | /* all of the topbuttonpad_pnp_ids are valid, we just add some extras */ | |
167 | "LEN0048", /* X1 Carbon 3 */ | |
168 | "LEN0046", /* X250 */ | |
169 | "LEN004a", /* W541 */ | |
9df39bed | 170 | "LEN005b", /* P50 */ |
ca504728 | 171 | "LEN005e", /* T560 */ |
bf502391 | 172 | "LEN006c", /* T470s */ |
ad8fb554 | 173 | "LEN0071", /* T480 */ |
9b207102 | 174 | "LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */ |
15e2cffe | 175 | "LEN0073", /* X1 Carbon G5 (Elantech) */ |
fc1156f3 | 176 | "LEN0091", /* X1 Carbon 6 */ |
5717a09a | 177 | "LEN0092", /* X1 Carbon 6 */ |
abbe3acd | 178 | "LEN0093", /* T480 */ |
5717a09a | 179 | "LEN0096", /* X280 */ |
ad8fb554 | 180 | "LEN0097", /* X280 -> ALPS trackpoint */ |
1976d7d2 | 181 | "LEN009b", /* T580 */ |
e839ffab | 182 | "LEN200f", /* T450s */ |
9843f3e0 AM |
183 | "LEN2054", /* E480 */ |
184 | "LEN2055", /* E580 */ | |
7a717122 | 185 | "SYN3052", /* HP EliteBook 840 G4 */ |
5a6dab15 | 186 | "SYN3221", /* HP 15-ay000 */ |
25f8c834 | 187 | "SYN323d", /* HP Spectre X360 13-w013dx */ |
de4e374b DT |
188 | NULL |
189 | }; | |
190 | ||
f4101ff8 BT |
191 | static const char * const forcepad_pnp_ids[] = { |
192 | "SYN300D", | |
193 | "SYN3014", | |
194 | NULL | |
195 | }; | |
196 | ||
1a49a0a0 | 197 | /* |
26332247 | 198 | * Send a command to the synaptics touchpad by special commands |
1a49a0a0 | 199 | */ |
f6c4442b | 200 | static int synaptics_send_cmd(struct psmouse *psmouse, u8 cmd, u8 *param) |
1a49a0a0 | 201 | { |
e839ffab BT |
202 | int error; |
203 | ||
08be954b | 204 | error = ps2_sliced_command(&psmouse->ps2dev, cmd); |
e839ffab BT |
205 | if (error) |
206 | return error; | |
207 | ||
208 | error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO); | |
209 | if (error) | |
210 | return error; | |
211 | ||
212 | return 0; | |
1a49a0a0 JD |
213 | } |
214 | ||
2c6ecbba DT |
215 | static int synaptics_query_int(struct psmouse *psmouse, u8 query_cmd, u32 *val) |
216 | { | |
217 | int error; | |
218 | union { | |
219 | __be32 be_val; | |
220 | char buf[4]; | |
221 | } resp = { 0 }; | |
222 | ||
223 | error = synaptics_send_cmd(psmouse, query_cmd, resp.buf + 1); | |
224 | if (error) | |
225 | return error; | |
226 | ||
227 | *val = be32_to_cpu(resp.be_val); | |
228 | return 0; | |
229 | } | |
230 | ||
1da177e4 | 231 | /* |
e839ffab BT |
232 | * Identify Touchpad |
233 | * See also the SYN_ID_* macros | |
1da177e4 | 234 | */ |
e839ffab BT |
235 | static int synaptics_identify(struct psmouse *psmouse, |
236 | struct synaptics_device_info *info) | |
1da177e4 | 237 | { |
e839ffab BT |
238 | int error; |
239 | ||
2c6ecbba | 240 | error = synaptics_query_int(psmouse, SYN_QUE_IDENTIFY, &info->identity); |
e839ffab BT |
241 | if (error) |
242 | return error; | |
243 | ||
e839ffab | 244 | return SYN_ID_IS_SYNAPTICS(info->identity) ? 0 : -ENXIO; |
1da177e4 LT |
245 | } |
246 | ||
247 | /* | |
248 | * Read the model-id bytes from the touchpad | |
249 | * see also SYN_MODEL_* macros | |
250 | */ | |
6c53694f DT |
251 | static int synaptics_model_id(struct psmouse *psmouse, |
252 | struct synaptics_device_info *info) | |
1da177e4 | 253 | { |
2c6ecbba | 254 | return synaptics_query_int(psmouse, SYN_QUE_MODEL, &info->model_id); |
1da177e4 LT |
255 | } |
256 | ||
e839ffab BT |
257 | /* |
258 | * Read the firmware id from the touchpad | |
259 | */ | |
260 | static int synaptics_firmware_id(struct psmouse *psmouse, | |
261 | struct synaptics_device_info *info) | |
262 | { | |
2c6ecbba DT |
263 | return synaptics_query_int(psmouse, SYN_QUE_FIRMWARE_ID, |
264 | &info->firmware_id); | |
06aa374b BT |
265 | } |
266 | ||
c6bd9d46 | 267 | /* |
06aa374b | 268 | * Read the board id and the "More Extended Queries" from the touchpad |
c6bd9d46 DK |
269 | * The board id is encoded in the "QUERY MODES" response |
270 | */ | |
6c53694f DT |
271 | static int synaptics_query_modes(struct psmouse *psmouse, |
272 | struct synaptics_device_info *info) | |
c6bd9d46 | 273 | { |
f6c4442b | 274 | u8 bid[3]; |
6c53694f | 275 | int error; |
c6bd9d46 | 276 | |
b57a7128 | 277 | /* firmwares prior 7.5 have no board_id encoded */ |
6c53694f | 278 | if (SYN_ID_FULL(info->identity) < 0x705) |
b57a7128 BT |
279 | return 0; |
280 | ||
6c53694f DT |
281 | error = synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid); |
282 | if (error) | |
283 | return error; | |
284 | ||
285 | info->board_id = ((bid[0] & 0xfc) << 6) | bid[1]; | |
06aa374b BT |
286 | |
287 | if (SYN_MEXT_CAP_BIT(bid[0])) | |
2c6ecbba DT |
288 | return synaptics_query_int(psmouse, SYN_QUE_MEXT_CAPAB_10, |
289 | &info->ext_cap_10); | |
06aa374b | 290 | |
c6bd9d46 DK |
291 | return 0; |
292 | } | |
293 | ||
1da177e4 LT |
294 | /* |
295 | * Read the capability-bits from the touchpad | |
296 | * see also the SYN_CAP_* macros | |
297 | */ | |
6c53694f DT |
298 | static int synaptics_capability(struct psmouse *psmouse, |
299 | struct synaptics_device_info *info) | |
1da177e4 | 300 | { |
6c53694f | 301 | int error; |
1da177e4 | 302 | |
2c6ecbba DT |
303 | error = synaptics_query_int(psmouse, SYN_QUE_CAPABILITIES, |
304 | &info->capabilities); | |
6c53694f DT |
305 | if (error) |
306 | return error; | |
307 | ||
6c53694f | 308 | info->ext_cap = info->ext_cap_0c = 0; |
5f57d67d | 309 | |
3619b8fe DT |
310 | /* |
311 | * Older firmwares had submodel ID fixed to 0x47 | |
312 | */ | |
6c53694f DT |
313 | if (SYN_ID_FULL(info->identity) < 0x705 && |
314 | SYN_CAP_SUBMODEL_ID(info->capabilities) != 0x47) { | |
315 | return -ENXIO; | |
3619b8fe | 316 | } |
1da177e4 LT |
317 | |
318 | /* | |
319 | * Unless capExtended is set the rest of the flags should be ignored | |
320 | */ | |
6c53694f DT |
321 | if (!SYN_CAP_EXTENDED(info->capabilities)) |
322 | info->capabilities = 0; | |
1da177e4 | 323 | |
6c53694f | 324 | if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 1) { |
2c6ecbba DT |
325 | error = synaptics_query_int(psmouse, SYN_QUE_EXT_CAPAB, |
326 | &info->ext_cap); | |
327 | if (error) { | |
b5d21704 DT |
328 | psmouse_warn(psmouse, |
329 | "device claims to have extended capabilities, but I'm not able to read them.\n"); | |
1da177e4 | 330 | } else { |
1da177e4 LT |
331 | /* |
332 | * if nExtBtn is greater than 8 it should be considered | |
333 | * invalid and treated as 0 | |
334 | */ | |
6c53694f | 335 | if (SYN_CAP_MULTI_BUTTON_NO(info->ext_cap) > 8) |
2c6ecbba | 336 | info->ext_cap &= ~SYN_CAP_MB_MASK; |
1da177e4 LT |
337 | } |
338 | } | |
5f57d67d | 339 | |
6c53694f | 340 | if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 4) { |
2c6ecbba DT |
341 | error = synaptics_query_int(psmouse, SYN_QUE_EXT_CAPAB_0C, |
342 | &info->ext_cap_0c); | |
6c53694f | 343 | if (error) |
b5d21704 DT |
344 | psmouse_warn(psmouse, |
345 | "device claims to have extended capability 0x0c, but I'm not able to read it.\n"); | |
5f57d67d TI |
346 | } |
347 | ||
1da177e4 LT |
348 | return 0; |
349 | } | |
350 | ||
ec20a022 | 351 | /* |
83ba9ea8 | 352 | * Read touchpad resolution and maximum reported coordinates |
ec20a022 TS |
353 | * Resolution is left zero if touchpad does not support the query |
354 | */ | |
6c53694f DT |
355 | static int synaptics_resolution(struct psmouse *psmouse, |
356 | struct synaptics_device_info *info) | |
ec20a022 | 357 | { |
f6c4442b | 358 | u8 resp[3]; |
6c53694f | 359 | int error; |
ec20a022 | 360 | |
6c53694f | 361 | if (SYN_ID_MAJOR(info->identity) < 4) |
bbddd199 | 362 | return 0; |
ec20a022 | 363 | |
6c53694f DT |
364 | error = synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp); |
365 | if (!error) { | |
a66413fb | 366 | if (resp[0] != 0 && (resp[1] & 0x80) && resp[2] != 0) { |
6c53694f DT |
367 | info->x_res = resp[0]; /* x resolution in units/mm */ |
368 | info->y_res = resp[2]; /* y resolution in units/mm */ | |
83ba9ea8 DT |
369 | } |
370 | } | |
ec20a022 | 371 | |
6c53694f DT |
372 | if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 5 && |
373 | SYN_CAP_MAX_DIMENSIONS(info->ext_cap_0c)) { | |
374 | error = synaptics_send_cmd(psmouse, | |
375 | SYN_QUE_EXT_MAX_COORDS, resp); | |
376 | if (error) { | |
b5d21704 DT |
377 | psmouse_warn(psmouse, |
378 | "device claims to have max coordinates query, but I'm not able to read it.\n"); | |
a66413fb | 379 | } else { |
6c53694f DT |
380 | info->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); |
381 | info->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); | |
9aff6598 DM |
382 | psmouse_info(psmouse, |
383 | "queried max coordinates: x [..%d], y [..%d]\n", | |
6c53694f | 384 | info->x_max, info->y_max); |
a66413fb DT |
385 | } |
386 | } | |
387 | ||
6c53694f DT |
388 | if (SYN_CAP_MIN_DIMENSIONS(info->ext_cap_0c) && |
389 | (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 7 || | |
ac097930 DM |
390 | /* |
391 | * Firmware v8.1 does not report proper number of extended | |
392 | * capabilities, but has been proven to report correct min | |
393 | * coordinates. | |
394 | */ | |
6c53694f DT |
395 | SYN_ID_FULL(info->identity) == 0x801)) { |
396 | error = synaptics_send_cmd(psmouse, | |
397 | SYN_QUE_EXT_MIN_COORDS, resp); | |
398 | if (error) { | |
b5d21704 DT |
399 | psmouse_warn(psmouse, |
400 | "device claims to have min coordinates query, but I'm not able to read it.\n"); | |
83ba9ea8 | 401 | } else { |
6c53694f DT |
402 | info->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); |
403 | info->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); | |
9aff6598 DM |
404 | psmouse_info(psmouse, |
405 | "queried min coordinates: x [%d..], y [%d..]\n", | |
6c53694f | 406 | info->x_min, info->y_min); |
83ba9ea8 | 407 | } |
ec20a022 TS |
408 | } |
409 | ||
410 | return 0; | |
411 | } | |
412 | ||
e839ffab BT |
413 | static int synaptics_query_hardware(struct psmouse *psmouse, |
414 | struct synaptics_device_info *info) | |
415 | { | |
416 | int error; | |
417 | ||
27555511 EB |
418 | memset(info, 0, sizeof(*info)); |
419 | ||
e839ffab BT |
420 | error = synaptics_identify(psmouse, info); |
421 | if (error) | |
422 | return error; | |
423 | ||
424 | error = synaptics_model_id(psmouse, info); | |
425 | if (error) | |
426 | return error; | |
427 | ||
428 | error = synaptics_firmware_id(psmouse, info); | |
429 | if (error) | |
430 | return error; | |
431 | ||
432 | error = synaptics_query_modes(psmouse, info); | |
433 | if (error) | |
434 | return error; | |
435 | ||
436 | error = synaptics_capability(psmouse, info); | |
437 | if (error) | |
438 | return error; | |
439 | ||
440 | error = synaptics_resolution(psmouse, info); | |
441 | if (error) | |
442 | return error; | |
443 | ||
444 | return 0; | |
445 | } | |
446 | ||
447 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ | |
448 | ||
449 | #ifdef CONFIG_MOUSE_PS2_SYNAPTICS | |
450 | ||
451 | static bool cr48_profile_sensor; | |
452 | ||
453 | #define ANY_BOARD_ID 0 | |
454 | struct min_max_quirk { | |
455 | const char * const *pnp_ids; | |
456 | struct { | |
457 | u32 min, max; | |
458 | } board_id; | |
459 | u32 x_min, x_max, y_min, y_max; | |
460 | }; | |
461 | ||
462 | static const struct min_max_quirk min_max_pnpid_table[] = { | |
463 | { | |
464 | (const char * const []){"LEN0033", NULL}, | |
465 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
466 | 1024, 5052, 2258, 4832 | |
467 | }, | |
468 | { | |
469 | (const char * const []){"LEN0042", NULL}, | |
470 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
471 | 1232, 5710, 1156, 4696 | |
472 | }, | |
473 | { | |
474 | (const char * const []){"LEN0034", "LEN0036", "LEN0037", | |
475 | "LEN0039", "LEN2002", "LEN2004", | |
476 | NULL}, | |
477 | {ANY_BOARD_ID, 2961}, | |
478 | 1024, 5112, 2024, 4832 | |
479 | }, | |
480 | { | |
481 | (const char * const []){"LEN2000", NULL}, | |
482 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
483 | 1024, 5113, 2021, 4832 | |
484 | }, | |
485 | { | |
486 | (const char * const []){"LEN2001", NULL}, | |
487 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
488 | 1024, 5022, 2508, 4832 | |
489 | }, | |
490 | { | |
491 | (const char * const []){"LEN2006", NULL}, | |
492 | {2691, 2691}, | |
493 | 1024, 5045, 2457, 4832 | |
494 | }, | |
495 | { | |
496 | (const char * const []){"LEN2006", NULL}, | |
497 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
498 | 1264, 5675, 1171, 4688 | |
499 | }, | |
500 | { } | |
501 | }; | |
502 | ||
e839ffab BT |
503 | /***************************************************************************** |
504 | * Synaptics communications functions | |
505 | ****************************************************************************/ | |
506 | ||
507 | /* | |
508 | * Synaptics touchpads report the y coordinate from bottom to top, which is | |
509 | * opposite from what userspace expects. | |
510 | * This function is used to invert y before reporting. | |
511 | */ | |
512 | static int synaptics_invert_y(int y) | |
513 | { | |
514 | return YMAX_NOMINAL + YMIN_NOMINAL - y; | |
515 | } | |
516 | ||
8b04baba DM |
517 | /* |
518 | * Apply quirk(s) if the hardware matches | |
519 | */ | |
6c53694f DT |
520 | static void synaptics_apply_quirks(struct psmouse *psmouse, |
521 | struct synaptics_device_info *info) | |
8b04baba | 522 | { |
8b04baba DM |
523 | int i; |
524 | ||
525 | for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) { | |
5b3089dd DM |
526 | if (!psmouse_matches_pnp_id(psmouse, |
527 | min_max_pnpid_table[i].pnp_ids)) | |
528 | continue; | |
529 | ||
530 | if (min_max_pnpid_table[i].board_id.min != ANY_BOARD_ID && | |
6c53694f | 531 | info->board_id < min_max_pnpid_table[i].board_id.min) |
5b3089dd DM |
532 | continue; |
533 | ||
534 | if (min_max_pnpid_table[i].board_id.max != ANY_BOARD_ID && | |
6c53694f | 535 | info->board_id > min_max_pnpid_table[i].board_id.max) |
5b3089dd DM |
536 | continue; |
537 | ||
6c53694f DT |
538 | info->x_min = min_max_pnpid_table[i].x_min; |
539 | info->x_max = min_max_pnpid_table[i].x_max; | |
540 | info->y_min = min_max_pnpid_table[i].y_min; | |
541 | info->y_max = min_max_pnpid_table[i].y_max; | |
5b3089dd DM |
542 | psmouse_info(psmouse, |
543 | "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n", | |
6c53694f DT |
544 | info->x_min, info->x_max, |
545 | info->y_min, info->y_max); | |
5b3089dd | 546 | break; |
8b04baba DM |
547 | } |
548 | } | |
549 | ||
3f9db52d AM |
550 | static bool synaptics_has_agm(struct synaptics_data *priv) |
551 | { | |
552 | return (SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) || | |
553 | SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c)); | |
554 | } | |
555 | ||
7968a5dd DD |
556 | static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) |
557 | { | |
f6c4442b | 558 | static u8 param = 0xc8; |
212baf03 | 559 | int error; |
7968a5dd | 560 | |
08be954b | 561 | error = ps2_sliced_command(&psmouse->ps2dev, SYN_QUE_MODEL); |
212baf03 DT |
562 | if (error) |
563 | return error; | |
7968a5dd | 564 | |
212baf03 DT |
565 | error = ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE); |
566 | if (error) | |
567 | return error; | |
7968a5dd | 568 | |
7968a5dd DD |
569 | return 0; |
570 | } | |
571 | ||
572 | static int synaptics_set_mode(struct psmouse *psmouse) | |
1da177e4 LT |
573 | { |
574 | struct synaptics_data *priv = psmouse->private; | |
212baf03 | 575 | int error; |
1da177e4 | 576 | |
7968a5dd | 577 | priv->mode = 0; |
62d78461 | 578 | if (priv->absolute_mode) |
7968a5dd | 579 | priv->mode |= SYN_BIT_ABSOLUTE_MODE; |
62d78461 | 580 | if (priv->disable_gesture) |
1da177e4 | 581 | priv->mode |= SYN_BIT_DISABLE_GESTURE; |
7968a5dd DD |
582 | if (psmouse->rate >= 80) |
583 | priv->mode |= SYN_BIT_HIGH_RATE; | |
6c53694f | 584 | if (SYN_CAP_EXTENDED(priv->info.capabilities)) |
62d78461 | 585 | priv->mode |= SYN_BIT_W_MODE; |
1da177e4 | 586 | |
212baf03 DT |
587 | error = synaptics_mode_cmd(psmouse, priv->mode); |
588 | if (error) | |
589 | return error; | |
1da177e4 | 590 | |
3f9db52d | 591 | if (priv->absolute_mode && synaptics_has_agm(priv)) { |
212baf03 DT |
592 | error = synaptics_set_advanced_gesture_mode(psmouse); |
593 | if (error) { | |
594 | psmouse_err(psmouse, | |
595 | "Advanced gesture mode init failed: %d\n", | |
596 | error); | |
597 | return error; | |
598 | } | |
7968a5dd DD |
599 | } |
600 | ||
1da177e4 LT |
601 | return 0; |
602 | } | |
603 | ||
604 | static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate) | |
605 | { | |
606 | struct synaptics_data *priv = psmouse->private; | |
607 | ||
608 | if (rate >= 80) { | |
609 | priv->mode |= SYN_BIT_HIGH_RATE; | |
610 | psmouse->rate = 80; | |
611 | } else { | |
612 | priv->mode &= ~SYN_BIT_HIGH_RATE; | |
613 | psmouse->rate = 40; | |
614 | } | |
615 | ||
616 | synaptics_mode_cmd(psmouse, priv->mode); | |
617 | } | |
618 | ||
619 | /***************************************************************************** | |
620 | * Synaptics pass-through PS/2 port support | |
621 | ****************************************************************************/ | |
f6c4442b | 622 | static int synaptics_pt_write(struct serio *serio, u8 c) |
1da177e4 LT |
623 | { |
624 | struct psmouse *parent = serio_get_drvdata(serio->parent); | |
212baf03 DT |
625 | u8 rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */ |
626 | int error; | |
627 | ||
08be954b | 628 | error = ps2_sliced_command(&parent->ps2dev, c); |
212baf03 DT |
629 | if (error) |
630 | return error; | |
631 | ||
632 | error = ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE); | |
633 | if (error) | |
634 | return error; | |
1da177e4 | 635 | |
1da177e4 LT |
636 | return 0; |
637 | } | |
638 | ||
a8b3c0f5 DT |
639 | static int synaptics_pt_start(struct serio *serio) |
640 | { | |
641 | struct psmouse *parent = serio_get_drvdata(serio->parent); | |
642 | struct synaptics_data *priv = parent->private; | |
643 | ||
644 | serio_pause_rx(parent->ps2dev.serio); | |
645 | priv->pt_port = serio; | |
646 | serio_continue_rx(parent->ps2dev.serio); | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
651 | static void synaptics_pt_stop(struct serio *serio) | |
652 | { | |
653 | struct psmouse *parent = serio_get_drvdata(serio->parent); | |
654 | struct synaptics_data *priv = parent->private; | |
655 | ||
656 | serio_pause_rx(parent->ps2dev.serio); | |
657 | priv->pt_port = NULL; | |
658 | serio_continue_rx(parent->ps2dev.serio); | |
659 | } | |
660 | ||
f6c4442b | 661 | static int synaptics_is_pt_packet(u8 *buf) |
1da177e4 LT |
662 | { |
663 | return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4; | |
664 | } | |
665 | ||
f6c4442b | 666 | static void synaptics_pass_pt_packet(struct serio *ptport, u8 *packet) |
1da177e4 LT |
667 | { |
668 | struct psmouse *child = serio_get_drvdata(ptport); | |
669 | ||
670 | if (child && child->state == PSMOUSE_ACTIVATED) { | |
bf23cfc3 | 671 | serio_interrupt(ptport, packet[1], 0); |
7d12e780 DH |
672 | serio_interrupt(ptport, packet[4], 0); |
673 | serio_interrupt(ptport, packet[5], 0); | |
33fdfa97 | 674 | if (child->pktsize == 4) |
7d12e780 | 675 | serio_interrupt(ptport, packet[2], 0); |
cdd9dc19 | 676 | } else { |
7d12e780 | 677 | serio_interrupt(ptport, packet[1], 0); |
cdd9dc19 | 678 | } |
1da177e4 LT |
679 | } |
680 | ||
681 | static void synaptics_pt_activate(struct psmouse *psmouse) | |
682 | { | |
1da177e4 | 683 | struct synaptics_data *priv = psmouse->private; |
a8b3c0f5 | 684 | struct psmouse *child = serio_get_drvdata(priv->pt_port); |
1da177e4 LT |
685 | |
686 | /* adjust the touchpad to child's choice of protocol */ | |
687 | if (child) { | |
33fdfa97 | 688 | if (child->pktsize == 4) |
1da177e4 LT |
689 | priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT; |
690 | else | |
691 | priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT; | |
692 | ||
693 | if (synaptics_mode_cmd(psmouse, priv->mode)) | |
b5d21704 DT |
694 | psmouse_warn(psmouse, |
695 | "failed to switch guest protocol\n"); | |
1da177e4 LT |
696 | } |
697 | } | |
698 | ||
699 | static void synaptics_pt_create(struct psmouse *psmouse) | |
700 | { | |
701 | struct serio *serio; | |
702 | ||
b39787a9 | 703 | serio = kzalloc(sizeof(struct serio), GFP_KERNEL); |
1da177e4 | 704 | if (!serio) { |
b5d21704 DT |
705 | psmouse_err(psmouse, |
706 | "not enough memory for pass-through port\n"); | |
1da177e4 LT |
707 | return; |
708 | } | |
709 | ||
1da177e4 LT |
710 | serio->id.type = SERIO_PS_PSTHRU; |
711 | strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name)); | |
d38b6cf5 | 712 | strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->phys)); |
1da177e4 | 713 | serio->write = synaptics_pt_write; |
a8b3c0f5 DT |
714 | serio->start = synaptics_pt_start; |
715 | serio->stop = synaptics_pt_stop; | |
1da177e4 LT |
716 | serio->parent = psmouse->ps2dev.serio; |
717 | ||
718 | psmouse->pt_activate = synaptics_pt_activate; | |
719 | ||
b5d21704 DT |
720 | psmouse_info(psmouse, "serio: %s port at %s\n", |
721 | serio->name, psmouse->phys); | |
1da177e4 LT |
722 | serio_register_port(serio); |
723 | } | |
724 | ||
725 | /***************************************************************************** | |
726 | * Functions to interpret the absolute mode packets | |
727 | ****************************************************************************/ | |
728 | ||
f6c4442b | 729 | static void synaptics_parse_agm(const u8 buf[], |
a6ca40c1 DK |
730 | struct synaptics_data *priv, |
731 | struct synaptics_hw_state *hw) | |
7afdb842 DK |
732 | { |
733 | struct synaptics_hw_state *agm = &priv->agm; | |
a6ca40c1 DK |
734 | int agm_packet_type; |
735 | ||
736 | agm_packet_type = (buf[5] & 0x30) >> 4; | |
737 | switch (agm_packet_type) { | |
738 | case 1: | |
739 | /* Gesture packet: (x, y, z) half resolution */ | |
740 | agm->w = hw->w; | |
741 | agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1; | |
742 | agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1; | |
743 | agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1; | |
744 | break; | |
745 | ||
746 | case 2: | |
e9e8520f BT |
747 | /* AGM-CONTACT packet: we are only interested in the count */ |
748 | priv->agm_count = buf[1]; | |
a6ca40c1 DK |
749 | break; |
750 | ||
751 | default: | |
752 | break; | |
753 | } | |
7afdb842 DK |
754 | } |
755 | ||
f6c4442b | 756 | static void synaptics_parse_ext_buttons(const u8 buf[], |
dc5465dc DT |
757 | struct synaptics_data *priv, |
758 | struct synaptics_hw_state *hw) | |
759 | { | |
760 | unsigned int ext_bits = | |
6c53694f | 761 | (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) + 1) >> 1; |
dc5465dc DT |
762 | unsigned int ext_mask = GENMASK(ext_bits - 1, 0); |
763 | ||
764 | hw->ext_buttons = buf[4] & ext_mask; | |
765 | hw->ext_buttons |= (buf[5] & ext_mask) << ext_bits; | |
766 | } | |
767 | ||
f6c4442b | 768 | static int synaptics_parse_hw_state(const u8 buf[], |
fec6e525 HR |
769 | struct synaptics_data *priv, |
770 | struct synaptics_hw_state *hw) | |
1da177e4 LT |
771 | { |
772 | memset(hw, 0, sizeof(struct synaptics_hw_state)); | |
773 | ||
6c53694f | 774 | if (SYN_MODEL_NEWABS(priv->info.model_id)) { |
1da177e4 LT |
775 | hw->w = (((buf[0] & 0x30) >> 2) | |
776 | ((buf[0] & 0x04) >> 1) | | |
777 | ((buf[3] & 0x04) >> 2)); | |
778 | ||
3f9db52d | 779 | if (synaptics_has_agm(priv) && hw->w == 2) { |
5715fc76 DT |
780 | synaptics_parse_agm(buf, priv, hw); |
781 | return 1; | |
782 | } | |
783 | ||
784 | hw->x = (((buf[3] & 0x10) << 8) | | |
785 | ((buf[1] & 0x0f) << 8) | | |
786 | buf[4]); | |
787 | hw->y = (((buf[3] & 0x20) << 7) | | |
788 | ((buf[1] & 0xf0) << 4) | | |
789 | buf[5]); | |
790 | hw->z = buf[2]; | |
791 | ||
1da177e4 LT |
792 | hw->left = (buf[0] & 0x01) ? 1 : 0; |
793 | hw->right = (buf[0] & 0x02) ? 1 : 0; | |
794 | ||
de4e374b | 795 | if (priv->is_forcepad) { |
5715fc76 DT |
796 | /* |
797 | * ForcePads, like Clickpads, use middle button | |
798 | * bits to report primary button clicks. | |
799 | * Unfortunately they report primary button not | |
800 | * only when user presses on the pad above certain | |
801 | * threshold, but also when there are more than one | |
802 | * finger on the touchpad, which interferes with | |
803 | * out multi-finger gestures. | |
804 | */ | |
805 | if (hw->z == 0) { | |
806 | /* No contacts */ | |
807 | priv->press = priv->report_press = false; | |
808 | } else if (hw->w >= 4 && ((buf[0] ^ buf[3]) & 0x01)) { | |
809 | /* | |
810 | * Single-finger touch with pressure above | |
811 | * the threshold. If pressure stays long | |
812 | * enough, we'll start reporting primary | |
813 | * button. We rely on the device continuing | |
814 | * sending data even if finger does not | |
815 | * move. | |
816 | */ | |
817 | if (!priv->press) { | |
818 | priv->press_start = jiffies; | |
819 | priv->press = true; | |
820 | } else if (time_after(jiffies, | |
821 | priv->press_start + | |
822 | msecs_to_jiffies(50))) { | |
823 | priv->report_press = true; | |
824 | } | |
825 | } else { | |
826 | priv->press = false; | |
827 | } | |
828 | ||
829 | hw->left = priv->report_press; | |
830 | ||
6c53694f | 831 | } else if (SYN_CAP_CLICKPAD(priv->info.ext_cap_0c)) { |
5f57d67d TI |
832 | /* |
833 | * Clickpad's button is transmitted as middle button, | |
834 | * however, since it is primary button, we will report | |
835 | * it as BTN_LEFT. | |
836 | */ | |
837 | hw->left = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; | |
838 | ||
6c53694f | 839 | } else if (SYN_CAP_MIDDLE_BUTTON(priv->info.capabilities)) { |
1da177e4 LT |
840 | hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
841 | if (hw->w == 2) | |
f6c4442b | 842 | hw->scroll = (s8)buf[1]; |
1da177e4 LT |
843 | } |
844 | ||
6c53694f | 845 | if (SYN_CAP_FOUR_BUTTON(priv->info.capabilities)) { |
1da177e4 LT |
846 | hw->up = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
847 | hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; | |
848 | } | |
849 | ||
6c53694f | 850 | if (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) > 0 && |
1da177e4 | 851 | ((buf[0] ^ buf[3]) & 0x02)) { |
dc5465dc | 852 | synaptics_parse_ext_buttons(buf, priv, hw); |
1da177e4 LT |
853 | } |
854 | } else { | |
855 | hw->x = (((buf[1] & 0x1f) << 8) | buf[2]); | |
856 | hw->y = (((buf[4] & 0x1f) << 8) | buf[5]); | |
857 | ||
858 | hw->z = (((buf[0] & 0x30) << 2) | (buf[3] & 0x3F)); | |
859 | hw->w = (((buf[1] & 0x80) >> 4) | ((buf[0] & 0x04) >> 1)); | |
860 | ||
861 | hw->left = (buf[0] & 0x01) ? 1 : 0; | |
862 | hw->right = (buf[0] & 0x02) ? 1 : 0; | |
863 | } | |
fec6e525 | 864 | |
824efd37 SF |
865 | /* |
866 | * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE | |
867 | * is used by some firmware to indicate a finger at the edge of | |
868 | * the touchpad whose precise position cannot be determined, so | |
869 | * convert these values to the maximum axis value. | |
870 | */ | |
c0394506 SF |
871 | if (hw->x > X_MAX_POSITIVE) |
872 | hw->x -= 1 << ABS_POS_BITS; | |
824efd37 SF |
873 | else if (hw->x == X_MAX_POSITIVE) |
874 | hw->x = XMAX; | |
875 | ||
c0394506 SF |
876 | if (hw->y > Y_MAX_POSITIVE) |
877 | hw->y -= 1 << ABS_POS_BITS; | |
824efd37 SF |
878 | else if (hw->y == Y_MAX_POSITIVE) |
879 | hw->y = YMAX; | |
c0394506 | 880 | |
fec6e525 HR |
881 | return 0; |
882 | } | |
883 | ||
bea9f0ff DK |
884 | static void synaptics_report_semi_mt_slot(struct input_dev *dev, int slot, |
885 | bool active, int x, int y) | |
fec6e525 HR |
886 | { |
887 | input_mt_slot(dev, slot); | |
888 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); | |
889 | if (active) { | |
890 | input_report_abs(dev, ABS_MT_POSITION_X, x); | |
6de58dd6 | 891 | input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y)); |
fec6e525 HR |
892 | } |
893 | } | |
894 | ||
895 | static void synaptics_report_semi_mt_data(struct input_dev *dev, | |
896 | const struct synaptics_hw_state *a, | |
897 | const struct synaptics_hw_state *b, | |
898 | int num_fingers) | |
899 | { | |
900 | if (num_fingers >= 2) { | |
bea9f0ff DK |
901 | synaptics_report_semi_mt_slot(dev, 0, true, min(a->x, b->x), |
902 | min(a->y, b->y)); | |
903 | synaptics_report_semi_mt_slot(dev, 1, true, max(a->x, b->x), | |
904 | max(a->y, b->y)); | |
fec6e525 | 905 | } else if (num_fingers == 1) { |
bea9f0ff DK |
906 | synaptics_report_semi_mt_slot(dev, 0, true, a->x, a->y); |
907 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); | |
fec6e525 | 908 | } else { |
bea9f0ff DK |
909 | synaptics_report_semi_mt_slot(dev, 0, false, 0, 0); |
910 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); | |
fec6e525 | 911 | } |
1da177e4 LT |
912 | } |
913 | ||
ebc80840 BT |
914 | static void synaptics_report_ext_buttons(struct psmouse *psmouse, |
915 | const struct synaptics_hw_state *hw) | |
3cdfee9e DK |
916 | { |
917 | struct input_dev *dev = psmouse->dev; | |
918 | struct synaptics_data *priv = psmouse->private; | |
6c53694f | 919 | int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) + 1) >> 1; |
3cdfee9e DK |
920 | int i; |
921 | ||
6c53694f | 922 | if (!SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap)) |
ebc80840 BT |
923 | return; |
924 | ||
82be788c | 925 | /* Bug in FW 8.1 & 8.2, buttons are reported only when ExtBit is 1 */ |
6c53694f DT |
926 | if ((SYN_ID_FULL(priv->info.identity) == 0x801 || |
927 | SYN_ID_FULL(priv->info.identity) == 0x802) && | |
ebc80840 BT |
928 | !((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02)) |
929 | return; | |
930 | ||
6c53694f | 931 | if (!SYN_CAP_EXT_BUTTONS_STICK(priv->info.ext_cap_10)) { |
cdd9dc19 BT |
932 | for (i = 0; i < ext_bits; i++) { |
933 | input_report_key(dev, BTN_0 + 2 * i, | |
991d29fe | 934 | hw->ext_buttons & BIT(i)); |
cdd9dc19 | 935 | input_report_key(dev, BTN_1 + 2 * i, |
991d29fe | 936 | hw->ext_buttons & BIT(i + ext_bits)); |
cdd9dc19 BT |
937 | } |
938 | return; | |
ebc80840 | 939 | } |
cdd9dc19 BT |
940 | |
941 | /* | |
942 | * This generation of touchpads has the trackstick buttons | |
943 | * physically wired to the touchpad. Re-route them through | |
944 | * the pass-through interface. | |
945 | */ | |
bf23cfc3 DT |
946 | if (priv->pt_port) { |
947 | u8 pt_buttons; | |
cdd9dc19 | 948 | |
bf23cfc3 | 949 | /* The trackstick expects at most 3 buttons */ |
996b9eed DT |
950 | pt_buttons = SYN_EXT_BUTTON_STICK_L(hw->ext_buttons) | |
951 | SYN_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 | | |
952 | SYN_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2; | |
cdd9dc19 | 953 | |
bf23cfc3 DT |
954 | serio_interrupt(priv->pt_port, |
955 | PSMOUSE_OOB_EXTRA_BTNS, SERIO_OOB_DATA); | |
956 | serio_interrupt(priv->pt_port, pt_buttons, SERIO_OOB_DATA); | |
957 | } | |
ebc80840 BT |
958 | } |
959 | ||
3cdfee9e DK |
960 | static void synaptics_report_buttons(struct psmouse *psmouse, |
961 | const struct synaptics_hw_state *hw) | |
962 | { | |
963 | struct input_dev *dev = psmouse->dev; | |
964 | struct synaptics_data *priv = psmouse->private; | |
3cdfee9e DK |
965 | |
966 | input_report_key(dev, BTN_LEFT, hw->left); | |
967 | input_report_key(dev, BTN_RIGHT, hw->right); | |
968 | ||
6c53694f | 969 | if (SYN_CAP_MIDDLE_BUTTON(priv->info.capabilities)) |
3cdfee9e DK |
970 | input_report_key(dev, BTN_MIDDLE, hw->middle); |
971 | ||
6c53694f | 972 | if (SYN_CAP_FOUR_BUTTON(priv->info.capabilities)) { |
3cdfee9e DK |
973 | input_report_key(dev, BTN_FORWARD, hw->up); |
974 | input_report_key(dev, BTN_BACK, hw->down); | |
975 | } | |
976 | ||
ebc80840 | 977 | synaptics_report_ext_buttons(psmouse, hw); |
3cdfee9e DK |
978 | } |
979 | ||
3cdfee9e | 980 | static void synaptics_report_mt_data(struct psmouse *psmouse, |
e9e8520f BT |
981 | const struct synaptics_hw_state *sgm, |
982 | int num_fingers) | |
3cdfee9e DK |
983 | { |
984 | struct input_dev *dev = psmouse->dev; | |
985 | struct synaptics_data *priv = psmouse->private; | |
e9e8520f BT |
986 | const struct synaptics_hw_state *hw[2] = { sgm, &priv->agm }; |
987 | struct input_mt_pos pos[2]; | |
988 | int slot[2], nsemi, i; | |
3cdfee9e | 989 | |
e9e8520f | 990 | nsemi = clamp_val(num_fingers, 0, 2); |
4dc772d2 | 991 | |
e9e8520f BT |
992 | for (i = 0; i < nsemi; i++) { |
993 | pos[i].x = hw[i]->x; | |
994 | pos[i].y = synaptics_invert_y(hw[i]->y); | |
3cdfee9e DK |
995 | } |
996 | ||
6c53694f | 997 | input_mt_assign_slots(dev, slot, pos, nsemi, DMAX * priv->info.x_res); |
e9e8520f BT |
998 | |
999 | for (i = 0; i < nsemi; i++) { | |
1000 | input_mt_slot(dev, slot[i]); | |
1001 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); | |
1002 | input_report_abs(dev, ABS_MT_POSITION_X, pos[i].x); | |
1003 | input_report_abs(dev, ABS_MT_POSITION_Y, pos[i].y); | |
1004 | input_report_abs(dev, ABS_MT_PRESSURE, hw[i]->z); | |
1005 | } | |
1006 | ||
1007 | input_mt_drop_unused(dev); | |
1008 | ||
3cdfee9e DK |
1009 | /* Don't use active slot count to generate BTN_TOOL events. */ |
1010 | input_mt_report_pointer_emulation(dev, false); | |
1011 | ||
1012 | /* Send the number of fingers reported by touchpad itself. */ | |
e9e8520f | 1013 | input_mt_report_finger_count(dev, num_fingers); |
3cdfee9e DK |
1014 | |
1015 | synaptics_report_buttons(psmouse, sgm); | |
1016 | ||
1017 | input_sync(dev); | |
1018 | } | |
1019 | ||
1020 | static void synaptics_image_sensor_process(struct psmouse *psmouse, | |
1021 | struct synaptics_hw_state *sgm) | |
1022 | { | |
4dc772d2 | 1023 | struct synaptics_data *priv = psmouse->private; |
e9e8520f | 1024 | int num_fingers; |
4dc772d2 DK |
1025 | |
1026 | /* | |
1027 | * Update mt_state using the new finger count and current mt_state. | |
1028 | */ | |
3cdfee9e | 1029 | if (sgm->z == 0) |
e9e8520f | 1030 | num_fingers = 0; |
3cdfee9e | 1031 | else if (sgm->w >= 4) |
e9e8520f | 1032 | num_fingers = 1; |
3cdfee9e | 1033 | else if (sgm->w == 0) |
e9e8520f BT |
1034 | num_fingers = 2; |
1035 | else if (sgm->w == 1) | |
1036 | num_fingers = priv->agm_count ? priv->agm_count : 3; | |
6b4b49fe | 1037 | else |
e9e8520f | 1038 | num_fingers = 4; |
3cdfee9e DK |
1039 | |
1040 | /* Send resulting input events to user space */ | |
e9e8520f | 1041 | synaptics_report_mt_data(psmouse, sgm, num_fingers); |
3cdfee9e DK |
1042 | } |
1043 | ||
3f9db52d AM |
1044 | static bool synaptics_has_multifinger(struct synaptics_data *priv) |
1045 | { | |
1046 | if (SYN_CAP_MULTIFINGER(priv->info.capabilities)) | |
1047 | return true; | |
1048 | ||
1049 | /* Advanced gesture mode also sends multi finger data */ | |
1050 | return synaptics_has_agm(priv); | |
1051 | } | |
1052 | ||
1da177e4 LT |
1053 | /* |
1054 | * called for each full received packet from the touchpad | |
1055 | */ | |
1056 | static void synaptics_process_packet(struct psmouse *psmouse) | |
1057 | { | |
2e5b636b | 1058 | struct input_dev *dev = psmouse->dev; |
1da177e4 | 1059 | struct synaptics_data *priv = psmouse->private; |
6c53694f | 1060 | struct synaptics_device_info *info = &priv->info; |
1da177e4 LT |
1061 | struct synaptics_hw_state hw; |
1062 | int num_fingers; | |
1063 | int finger_width; | |
1da177e4 | 1064 | |
fec6e525 HR |
1065 | if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) |
1066 | return; | |
1da177e4 | 1067 | |
6c53694f | 1068 | if (SYN_CAP_IMAGE_SENSOR(info->ext_cap_0c)) { |
3cdfee9e DK |
1069 | synaptics_image_sensor_process(psmouse, &hw); |
1070 | return; | |
1071 | } | |
1072 | ||
1da177e4 LT |
1073 | if (hw.scroll) { |
1074 | priv->scroll += hw.scroll; | |
1075 | ||
1076 | while (priv->scroll >= 4) { | |
1077 | input_report_key(dev, BTN_BACK, !hw.down); | |
1078 | input_sync(dev); | |
1079 | input_report_key(dev, BTN_BACK, hw.down); | |
1080 | input_sync(dev); | |
1081 | priv->scroll -= 4; | |
1082 | } | |
1083 | while (priv->scroll <= -4) { | |
1084 | input_report_key(dev, BTN_FORWARD, !hw.up); | |
1085 | input_sync(dev); | |
1086 | input_report_key(dev, BTN_FORWARD, hw.up); | |
1087 | input_sync(dev); | |
1088 | priv->scroll += 4; | |
1089 | } | |
1090 | return; | |
1091 | } | |
1092 | ||
4f56ce92 | 1093 | if (hw.z > 0 && hw.x > 1) { |
1da177e4 LT |
1094 | num_fingers = 1; |
1095 | finger_width = 5; | |
6c53694f | 1096 | if (SYN_CAP_EXTENDED(info->capabilities)) { |
1da177e4 LT |
1097 | switch (hw.w) { |
1098 | case 0 ... 1: | |
3f9db52d | 1099 | if (synaptics_has_multifinger(priv)) |
1da177e4 LT |
1100 | num_fingers = hw.w + 2; |
1101 | break; | |
1102 | case 2: | |
6c53694f | 1103 | if (SYN_MODEL_PEN(info->model_id)) |
1da177e4 LT |
1104 | ; /* Nothing, treat a pen as a single finger */ |
1105 | break; | |
1106 | case 4 ... 15: | |
6c53694f | 1107 | if (SYN_CAP_PALMDETECT(info->capabilities)) |
1da177e4 LT |
1108 | finger_width = hw.w; |
1109 | break; | |
1110 | } | |
1111 | } | |
1112 | } else { | |
1113 | num_fingers = 0; | |
1114 | finger_width = 0; | |
1115 | } | |
1116 | ||
e08d9afa | 1117 | if (cr48_profile_sensor) { |
aa104b1a | 1118 | synaptics_report_mt_data(psmouse, &hw, num_fingers); |
e08d9afa HR |
1119 | return; |
1120 | } | |
1121 | ||
6c53694f | 1122 | if (SYN_CAP_ADV_GESTURE(info->ext_cap_0c)) |
7afdb842 DK |
1123 | synaptics_report_semi_mt_data(dev, &hw, &priv->agm, |
1124 | num_fingers); | |
fec6e525 | 1125 | |
1da177e4 LT |
1126 | /* Post events |
1127 | * BTN_TOUCH has to be first as mousedev relies on it when doing | |
1128 | * absolute -> relative conversion | |
1129 | */ | |
1130 | if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1); | |
1131 | if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0); | |
1132 | ||
4f56ce92 | 1133 | if (num_fingers > 0) { |
1da177e4 | 1134 | input_report_abs(dev, ABS_X, hw.x); |
6de58dd6 | 1135 | input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y)); |
1da177e4 LT |
1136 | } |
1137 | input_report_abs(dev, ABS_PRESSURE, hw.z); | |
1138 | ||
6c53694f | 1139 | if (SYN_CAP_PALMDETECT(info->capabilities)) |
2a8e7710 CB |
1140 | input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); |
1141 | ||
1da177e4 | 1142 | input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); |
3f9db52d | 1143 | if (synaptics_has_multifinger(priv)) { |
e42b6646 PH |
1144 | input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); |
1145 | input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); | |
1146 | } | |
1147 | ||
3cdfee9e | 1148 | synaptics_report_buttons(psmouse, &hw); |
1da177e4 LT |
1149 | |
1150 | input_sync(dev); | |
1151 | } | |
1152 | ||
f6c4442b DT |
1153 | static bool synaptics_validate_byte(struct psmouse *psmouse, |
1154 | int idx, enum synaptics_pkt_type pkt_type) | |
1da177e4 | 1155 | { |
f6c4442b DT |
1156 | static const u8 newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; |
1157 | static const u8 newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; | |
1158 | static const u8 newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; | |
1159 | static const u8 oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; | |
1160 | static const u8 oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; | |
1161 | const u8 *packet = psmouse->packet; | |
1da177e4 LT |
1162 | |
1163 | if (idx < 0 || idx > 4) | |
f6c4442b | 1164 | return false; |
1da177e4 LT |
1165 | |
1166 | switch (pkt_type) { | |
1da177e4 | 1167 | |
a62f0d27 DT |
1168 | case SYN_NEWABS: |
1169 | case SYN_NEWABS_RELAXED: | |
1170 | return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx]; | |
1da177e4 | 1171 | |
a62f0d27 DT |
1172 | case SYN_NEWABS_STRICT: |
1173 | return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx]; | |
1da177e4 | 1174 | |
a62f0d27 DT |
1175 | case SYN_OLDABS: |
1176 | return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx]; | |
1177 | ||
1178 | default: | |
b5d21704 | 1179 | psmouse_err(psmouse, "unknown packet type %d\n", pkt_type); |
f6c4442b | 1180 | return false; |
1da177e4 LT |
1181 | } |
1182 | } | |
1183 | ||
f6c4442b DT |
1184 | static enum synaptics_pkt_type |
1185 | synaptics_detect_pkt_type(struct psmouse *psmouse) | |
1da177e4 LT |
1186 | { |
1187 | int i; | |
1188 | ||
f6c4442b | 1189 | for (i = 0; i < 5; i++) { |
b5d21704 DT |
1190 | if (!synaptics_validate_byte(psmouse, i, SYN_NEWABS_STRICT)) { |
1191 | psmouse_info(psmouse, "using relaxed packet validation\n"); | |
1da177e4 LT |
1192 | return SYN_NEWABS_RELAXED; |
1193 | } | |
f6c4442b | 1194 | } |
1da177e4 LT |
1195 | |
1196 | return SYN_NEWABS_STRICT; | |
1197 | } | |
1198 | ||
7d12e780 | 1199 | static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) |
1da177e4 | 1200 | { |
1da177e4 LT |
1201 | struct synaptics_data *priv = psmouse->private; |
1202 | ||
1da177e4 LT |
1203 | if (psmouse->pktcnt >= 6) { /* Full packet received */ |
1204 | if (unlikely(priv->pkt_type == SYN_NEWABS)) | |
1205 | priv->pkt_type = synaptics_detect_pkt_type(psmouse); | |
1206 | ||
6c53694f | 1207 | if (SYN_CAP_PASS_THROUGH(priv->info.capabilities) && |
a8b3c0f5 DT |
1208 | synaptics_is_pt_packet(psmouse->packet)) { |
1209 | if (priv->pt_port) | |
bf23cfc3 | 1210 | synaptics_pass_pt_packet(priv->pt_port, |
cdd9dc19 | 1211 | psmouse->packet); |
1da177e4 LT |
1212 | } else |
1213 | synaptics_process_packet(psmouse); | |
1214 | ||
1215 | return PSMOUSE_FULL_PACKET; | |
1216 | } | |
1217 | ||
b5d21704 | 1218 | return synaptics_validate_byte(psmouse, psmouse->pktcnt - 1, priv->pkt_type) ? |
1da177e4 LT |
1219 | PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; |
1220 | } | |
1221 | ||
1222 | /***************************************************************************** | |
1223 | * Driver initialization/cleanup functions | |
1224 | ****************************************************************************/ | |
85615476 | 1225 | static void set_abs_position_params(struct input_dev *dev, |
6c53694f DT |
1226 | struct synaptics_device_info *info, |
1227 | int x_code, int y_code) | |
1da177e4 | 1228 | { |
6c53694f DT |
1229 | int x_min = info->x_min ?: XMIN_NOMINAL; |
1230 | int x_max = info->x_max ?: XMAX_NOMINAL; | |
1231 | int y_min = info->y_min ?: YMIN_NOMINAL; | |
1232 | int y_max = info->y_max ?: YMAX_NOMINAL; | |
1233 | int fuzz = SYN_CAP_REDUCED_FILTERING(info->ext_cap_0c) ? | |
a9f0b79e | 1234 | SYN_REDUCED_FILTER_FUZZ : 0; |
1da177e4 | 1235 | |
85615476 DK |
1236 | input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0); |
1237 | input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0); | |
6c53694f DT |
1238 | input_abs_set_res(dev, x_code, info->x_res); |
1239 | input_abs_set_res(dev, y_code, info->y_res); | |
85615476 DK |
1240 | } |
1241 | ||
cdc2466d DT |
1242 | static int set_input_params(struct psmouse *psmouse, |
1243 | struct synaptics_data *priv) | |
85615476 | 1244 | { |
43e19888 | 1245 | struct input_dev *dev = psmouse->dev; |
6c53694f | 1246 | struct synaptics_device_info *info = &priv->info; |
85615476 | 1247 | int i; |
cdc2466d | 1248 | int error; |
85615476 | 1249 | |
29aa6194 DT |
1250 | /* Reset default psmouse capabilities */ |
1251 | __clear_bit(EV_REL, dev->evbit); | |
1252 | bitmap_zero(dev->relbit, REL_CNT); | |
1253 | bitmap_zero(dev->keybit, KEY_CNT); | |
1254 | ||
7968a5dd | 1255 | /* Things that apply to both modes */ |
c14890a8 HR |
1256 | __set_bit(INPUT_PROP_POINTER, dev->propbit); |
1257 | ||
29aa6194 DT |
1258 | input_set_capability(dev, EV_KEY, BTN_LEFT); |
1259 | ||
1260 | /* Clickpads report only left button */ | |
1261 | if (!SYN_CAP_CLICKPAD(info->ext_cap_0c)) { | |
1262 | input_set_capability(dev, EV_KEY, BTN_RIGHT); | |
1263 | if (SYN_CAP_MIDDLE_BUTTON(info->capabilities)) | |
1264 | input_set_capability(dev, EV_KEY, BTN_MIDDLE); | |
1265 | } | |
7968a5dd DD |
1266 | |
1267 | if (!priv->absolute_mode) { | |
1268 | /* Relative mode */ | |
29aa6194 DT |
1269 | input_set_capability(dev, EV_REL, REL_X); |
1270 | input_set_capability(dev, EV_REL, REL_Y); | |
cdc2466d | 1271 | return 0; |
7968a5dd DD |
1272 | } |
1273 | ||
1274 | /* Absolute mode */ | |
6c53694f | 1275 | set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y); |
1da177e4 | 1276 | input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); |
2a8e7710 | 1277 | |
e08d9afa HR |
1278 | if (cr48_profile_sensor) |
1279 | input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); | |
1280 | ||
6c53694f DT |
1281 | if (SYN_CAP_IMAGE_SENSOR(info->ext_cap_0c)) { |
1282 | set_abs_position_params(dev, info, | |
1283 | ABS_MT_POSITION_X, ABS_MT_POSITION_Y); | |
3cdfee9e DK |
1284 | /* Image sensors can report per-contact pressure */ |
1285 | input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); | |
cdc2466d DT |
1286 | |
1287 | error = input_mt_init_slots(dev, 2, | |
1288 | INPUT_MT_POINTER | INPUT_MT_TRACK); | |
1289 | if (error) | |
1290 | return error; | |
6b4b49fe DK |
1291 | |
1292 | /* Image sensors can signal 4 and 5 finger clicks */ | |
29aa6194 DT |
1293 | input_set_capability(dev, EV_KEY, BTN_TOOL_QUADTAP); |
1294 | input_set_capability(dev, EV_KEY, BTN_TOOL_QUINTTAP); | |
6c53694f DT |
1295 | } else if (SYN_CAP_ADV_GESTURE(info->ext_cap_0c)) { |
1296 | set_abs_position_params(dev, info, | |
1297 | ABS_MT_POSITION_X, ABS_MT_POSITION_Y); | |
e08d9afa HR |
1298 | /* |
1299 | * Profile sensor in CR-48 tracks contacts reasonably well, | |
1300 | * other non-image sensors with AGM use semi-mt. | |
1301 | */ | |
cdc2466d DT |
1302 | error = input_mt_init_slots(dev, 2, |
1303 | INPUT_MT_POINTER | | |
1304 | (cr48_profile_sensor ? | |
1305 | INPUT_MT_TRACK : | |
1306 | INPUT_MT_SEMI_MT)); | |
1307 | if (error) | |
1308 | return error; | |
19eb4ed1 PH |
1309 | |
1310 | /* | |
1311 | * For semi-mt devices we send ABS_X/Y ourselves instead of | |
1312 | * input_mt_report_pointer_emulation. But | |
1313 | * input_mt_init_slots() resets the fuzz to 0, leading to a | |
1314 | * filtered ABS_MT_POSITION_X but an unfiltered ABS_X | |
1315 | * position. Let's re-initialize ABS_X/Y here. | |
1316 | */ | |
1317 | if (!cr48_profile_sensor) | |
1318 | set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y); | |
fec6e525 HR |
1319 | } |
1320 | ||
6c53694f | 1321 | if (SYN_CAP_PALMDETECT(info->capabilities)) |
58fb0218 | 1322 | input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); |
1da177e4 | 1323 | |
29aa6194 DT |
1324 | input_set_capability(dev, EV_KEY, BTN_TOUCH); |
1325 | input_set_capability(dev, EV_KEY, BTN_TOOL_FINGER); | |
1da177e4 | 1326 | |
3f9db52d | 1327 | if (synaptics_has_multifinger(priv)) { |
29aa6194 DT |
1328 | input_set_capability(dev, EV_KEY, BTN_TOOL_DOUBLETAP); |
1329 | input_set_capability(dev, EV_KEY, BTN_TOOL_TRIPLETAP); | |
e42b6646 PH |
1330 | } |
1331 | ||
6c53694f DT |
1332 | if (SYN_CAP_FOUR_BUTTON(info->capabilities) || |
1333 | SYN_CAP_MIDDLE_BUTTON(info->capabilities)) { | |
29aa6194 DT |
1334 | input_set_capability(dev, EV_KEY, BTN_FORWARD); |
1335 | input_set_capability(dev, EV_KEY, BTN_BACK); | |
1da177e4 LT |
1336 | } |
1337 | ||
6c53694f DT |
1338 | if (!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10)) |
1339 | for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(info->ext_cap); i++) | |
29aa6194 | 1340 | input_set_capability(dev, EV_KEY, BTN_0 + i); |
ec20a022 | 1341 | |
6c53694f | 1342 | if (SYN_CAP_CLICKPAD(info->ext_cap_0c)) { |
c14890a8 | 1343 | __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); |
3adde1f5 | 1344 | if (psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && |
6c53694f | 1345 | !SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10)) |
e2f61102 | 1346 | __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit); |
5f57d67d | 1347 | } |
cdc2466d DT |
1348 | |
1349 | return 0; | |
1da177e4 LT |
1350 | } |
1351 | ||
7968a5dd DD |
1352 | static ssize_t synaptics_show_disable_gesture(struct psmouse *psmouse, |
1353 | void *data, char *buf) | |
1354 | { | |
1355 | struct synaptics_data *priv = psmouse->private; | |
1356 | ||
1357 | return sprintf(buf, "%c\n", priv->disable_gesture ? '1' : '0'); | |
1358 | } | |
1359 | ||
1360 | static ssize_t synaptics_set_disable_gesture(struct psmouse *psmouse, | |
1361 | void *data, const char *buf, | |
1362 | size_t len) | |
1363 | { | |
1364 | struct synaptics_data *priv = psmouse->private; | |
1365 | unsigned int value; | |
1366 | int err; | |
1367 | ||
1368 | err = kstrtouint(buf, 10, &value); | |
1369 | if (err) | |
1370 | return err; | |
1371 | ||
1372 | if (value > 1) | |
1373 | return -EINVAL; | |
1374 | ||
1375 | if (value == priv->disable_gesture) | |
1376 | return len; | |
1377 | ||
1378 | priv->disable_gesture = value; | |
1379 | if (value) | |
1380 | priv->mode |= SYN_BIT_DISABLE_GESTURE; | |
1381 | else | |
1382 | priv->mode &= ~SYN_BIT_DISABLE_GESTURE; | |
1383 | ||
1384 | if (synaptics_mode_cmd(psmouse, priv->mode)) | |
1385 | return -EIO; | |
1386 | ||
1387 | return len; | |
1388 | } | |
1389 | ||
1390 | PSMOUSE_DEFINE_ATTR(disable_gesture, S_IWUSR | S_IRUGO, NULL, | |
1391 | synaptics_show_disable_gesture, | |
1392 | synaptics_set_disable_gesture); | |
1393 | ||
1da177e4 LT |
1394 | static void synaptics_disconnect(struct psmouse *psmouse) |
1395 | { | |
7968a5dd DD |
1396 | struct synaptics_data *priv = psmouse->private; |
1397 | ||
e839ffab BT |
1398 | /* |
1399 | * We might have left a breadcrumb when trying to | |
1400 | * set up SMbus companion. | |
1401 | */ | |
1402 | psmouse_smbus_cleanup(psmouse); | |
1403 | ||
6c53694f DT |
1404 | if (!priv->absolute_mode && |
1405 | SYN_ID_DISGEST_SUPPORTED(priv->info.identity)) | |
7968a5dd DD |
1406 | device_remove_file(&psmouse->ps2dev.serio->dev, |
1407 | &psmouse_attr_disable_gesture.dattr); | |
1408 | ||
1da177e4 | 1409 | synaptics_reset(psmouse); |
7968a5dd | 1410 | kfree(priv); |
1da177e4 LT |
1411 | psmouse->private = NULL; |
1412 | } | |
1413 | ||
1414 | static int synaptics_reconnect(struct psmouse *psmouse) | |
1415 | { | |
1416 | struct synaptics_data *priv = psmouse->private; | |
6c53694f | 1417 | struct synaptics_device_info info; |
f6c4442b | 1418 | u8 param[2]; |
c63fe0a4 APF |
1419 | int retry = 0; |
1420 | int error; | |
1da177e4 | 1421 | |
c63fe0a4 APF |
1422 | do { |
1423 | psmouse_reset(psmouse); | |
8521478f DT |
1424 | if (retry) { |
1425 | /* | |
1426 | * On some boxes, right after resuming, the touchpad | |
1427 | * needs some time to finish initializing (I assume | |
1428 | * it needs time to calibrate) and start responding | |
1429 | * to Synaptics-specific queries, so let's wait a | |
1430 | * bit. | |
1431 | */ | |
1432 | ssleep(1); | |
1433 | } | |
eeb06558 | 1434 | ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETID); |
c63fe0a4 APF |
1435 | error = synaptics_detect(psmouse, 0); |
1436 | } while (error && ++retry < 3); | |
4d368456 | 1437 | |
c63fe0a4 | 1438 | if (error) |
212baf03 | 1439 | return error; |
1da177e4 | 1440 | |
c63fe0a4 | 1441 | if (retry > 1) |
b5d21704 | 1442 | psmouse_dbg(psmouse, "reconnected after %d tries\n", retry); |
c63fe0a4 | 1443 | |
212baf03 DT |
1444 | error = synaptics_query_hardware(psmouse, &info); |
1445 | if (error) { | |
b5d21704 | 1446 | psmouse_err(psmouse, "Unable to query device.\n"); |
212baf03 | 1447 | return error; |
1da177e4 LT |
1448 | } |
1449 | ||
212baf03 DT |
1450 | error = synaptics_set_mode(psmouse); |
1451 | if (error) { | |
b5d21704 | 1452 | psmouse_err(psmouse, "Unable to initialize device.\n"); |
212baf03 | 1453 | return error; |
1da177e4 LT |
1454 | } |
1455 | ||
6c53694f DT |
1456 | if (info.identity != priv->info.identity || |
1457 | info.model_id != priv->info.model_id || | |
1458 | info.capabilities != priv->info.capabilities || | |
1459 | info.ext_cap != priv->info.ext_cap) { | |
b5d21704 | 1460 | psmouse_err(psmouse, |
6c53694f DT |
1461 | "hardware appears to be different: id(%u-%u), model(%u-%u), caps(%x-%x), ext(%x-%x).\n", |
1462 | priv->info.identity, info.identity, | |
1463 | priv->info.model_id, info.model_id, | |
1464 | priv->info.capabilities, info.capabilities, | |
1465 | priv->info.ext_cap, info.ext_cap); | |
212baf03 | 1466 | return -ENXIO; |
baddf589 APF |
1467 | } |
1468 | ||
1da177e4 LT |
1469 | return 0; |
1470 | } | |
1471 | ||
7705d548 DT |
1472 | static bool impaired_toshiba_kbc; |
1473 | ||
c963156c | 1474 | static const struct dmi_system_id toshiba_dmi_table[] __initconst = { |
7705d548 | 1475 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) |
1da177e4 | 1476 | { |
9961e259 | 1477 | /* Toshiba Satellite */ |
1da177e4 LT |
1478 | .matches = { |
1479 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
53a2670c | 1480 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"), |
1da177e4 LT |
1481 | }, |
1482 | }, | |
9ba5eaaf | 1483 | { |
9961e259 | 1484 | /* Toshiba Dynabook */ |
9ba5eaaf SH |
1485 | .matches = { |
1486 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
53a2670c RT |
1487 | DMI_MATCH(DMI_PRODUCT_NAME, "dynabook"), |
1488 | }, | |
1489 | }, | |
1490 | { | |
9961e259 | 1491 | /* Toshiba Portege M300 */ |
53a2670c RT |
1492 | .matches = { |
1493 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
1494 | DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M300"), | |
9ba5eaaf | 1495 | }, |
5f5eeff4 DT |
1496 | |
1497 | }, | |
1498 | { | |
9961e259 | 1499 | /* Toshiba Portege M300 */ |
5f5eeff4 DT |
1500 | .matches = { |
1501 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
1502 | DMI_MATCH(DMI_PRODUCT_NAME, "Portable PC"), | |
1503 | DMI_MATCH(DMI_PRODUCT_VERSION, "Version 1.0"), | |
1504 | }, | |
1505 | ||
9ba5eaaf | 1506 | }, |
1da177e4 | 1507 | #endif |
70874867 | 1508 | { } |
7705d548 DT |
1509 | }; |
1510 | ||
ef8313bb AS |
1511 | static bool broken_olpc_ec; |
1512 | ||
c963156c | 1513 | static const struct dmi_system_id olpc_dmi_table[] __initconst = { |
ef8313bb AS |
1514 | #if defined(CONFIG_DMI) && defined(CONFIG_OLPC) |
1515 | { | |
1516 | /* OLPC XO-1 or XO-1.5 */ | |
1517 | .matches = { | |
1518 | DMI_MATCH(DMI_SYS_VENDOR, "OLPC"), | |
1519 | DMI_MATCH(DMI_PRODUCT_NAME, "XO"), | |
1520 | }, | |
1521 | }, | |
ef8313bb | 1522 | #endif |
70874867 | 1523 | { } |
ef8313bb AS |
1524 | }; |
1525 | ||
e08d9afa HR |
1526 | static const struct dmi_system_id __initconst cr48_dmi_table[] = { |
1527 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) | |
1528 | { | |
1529 | /* Cr-48 Chromebook (Codename Mario) */ | |
1530 | .matches = { | |
1531 | DMI_MATCH(DMI_SYS_VENDOR, "IEC"), | |
1532 | DMI_MATCH(DMI_PRODUCT_NAME, "Mario"), | |
1533 | }, | |
1534 | }, | |
1535 | #endif | |
1536 | { } | |
1537 | }; | |
1538 | ||
7705d548 DT |
1539 | void __init synaptics_module_init(void) |
1540 | { | |
1541 | impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); | |
ef8313bb | 1542 | broken_olpc_ec = dmi_check_system(olpc_dmi_table); |
e08d9afa | 1543 | cr48_profile_sensor = dmi_check_system(cr48_dmi_table); |
7705d548 | 1544 | } |
1da177e4 | 1545 | |
e839ffab BT |
1546 | static int synaptics_init_ps2(struct psmouse *psmouse, |
1547 | struct synaptics_device_info *info, | |
1548 | bool absolute_mode) | |
1da177e4 LT |
1549 | { |
1550 | struct synaptics_data *priv; | |
e839ffab | 1551 | int err; |
1da177e4 | 1552 | |
e839ffab | 1553 | synaptics_apply_quirks(psmouse, info); |
ef8313bb | 1554 | |
b39787a9 | 1555 | psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL); |
1da177e4 | 1556 | if (!priv) |
6792cbbb | 1557 | return -ENOMEM; |
1da177e4 | 1558 | |
e839ffab | 1559 | priv->info = *info; |
7968a5dd | 1560 | priv->absolute_mode = absolute_mode; |
6c53694f | 1561 | if (SYN_ID_DISGEST_SUPPORTED(info->identity)) |
7968a5dd | 1562 | priv->disable_gesture = true; |
1da177e4 | 1563 | |
de4e374b DT |
1564 | /* |
1565 | * Unfortunately ForcePad capability is not exported over PS/2, | |
1566 | * so we have to resort to checking PNP IDs. | |
1567 | */ | |
1568 | priv->is_forcepad = psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids); | |
1569 | ||
e839ffab BT |
1570 | err = synaptics_set_mode(psmouse); |
1571 | if (err) { | |
7968a5dd | 1572 | psmouse_err(psmouse, "Unable to initialize device.\n"); |
fec6e525 HR |
1573 | goto init_fail; |
1574 | } | |
1575 | ||
6c53694f DT |
1576 | priv->pkt_type = SYN_MODEL_NEWABS(info->model_id) ? |
1577 | SYN_NEWABS : SYN_OLDABS; | |
1da177e4 | 1578 | |
b5d21704 | 1579 | psmouse_info(psmouse, |
991d29fe | 1580 | "Touchpad model: %lu, fw: %lu.%lu, id: %#x, caps: %#x/%#x/%#x/%#x, board id: %u, fw id: %u\n", |
6c53694f DT |
1581 | SYN_ID_MODEL(info->identity), |
1582 | SYN_ID_MAJOR(info->identity), SYN_ID_MINOR(info->identity), | |
1583 | info->model_id, | |
1584 | info->capabilities, info->ext_cap, info->ext_cap_0c, | |
1585 | info->ext_cap_10, info->board_id, info->firmware_id); | |
409b7506 | 1586 | |
cdc2466d DT |
1587 | err = set_input_params(psmouse, priv); |
1588 | if (err) { | |
1589 | psmouse_err(psmouse, | |
1590 | "failed to set up capabilities: %d\n", err); | |
1591 | goto init_fail; | |
1592 | } | |
1da177e4 | 1593 | |
887cc127 DT |
1594 | /* |
1595 | * Encode touchpad model so that it can be used to set | |
1596 | * input device->id.version and be visible to userspace. | |
1597 | * Because version is __u16 we have to drop something. | |
1598 | * Hardware info bits seem to be good candidates as they | |
1599 | * are documented to be for Synaptics corp. internal use. | |
1600 | */ | |
6c53694f DT |
1601 | psmouse->model = ((info->model_id & 0x00ff0000) >> 8) | |
1602 | (info->model_id & 0x000000ff); | |
887cc127 | 1603 | |
7968a5dd DD |
1604 | if (absolute_mode) { |
1605 | psmouse->protocol_handler = synaptics_process_byte; | |
1606 | psmouse->pktsize = 6; | |
1607 | } else { | |
1608 | /* Relative mode follows standard PS/2 mouse protocol */ | |
1609 | psmouse->protocol_handler = psmouse_process_byte; | |
1610 | psmouse->pktsize = 3; | |
1611 | } | |
1612 | ||
1da177e4 LT |
1613 | psmouse->set_rate = synaptics_set_rate; |
1614 | psmouse->disconnect = synaptics_disconnect; | |
1615 | psmouse->reconnect = synaptics_reconnect; | |
a1cec061 | 1616 | psmouse->cleanup = synaptics_reset; |
f0d5c6f4 DT |
1617 | /* Synaptics can usually stay in sync without extra help */ |
1618 | psmouse->resync_time = 0; | |
1da177e4 | 1619 | |
6c53694f | 1620 | if (SYN_CAP_PASS_THROUGH(info->capabilities)) |
1da177e4 LT |
1621 | synaptics_pt_create(psmouse); |
1622 | ||
1da177e4 LT |
1623 | /* |
1624 | * Toshiba's KBC seems to have trouble handling data from | |
7ee99161 AS |
1625 | * Synaptics at full rate. Switch to a lower rate (roughly |
1626 | * the same rate as a standard PS/2 mouse). | |
1da177e4 | 1627 | */ |
7705d548 | 1628 | if (psmouse->rate >= 80 && impaired_toshiba_kbc) { |
b5d21704 DT |
1629 | psmouse_info(psmouse, |
1630 | "Toshiba %s detected, limiting rate to 40pps.\n", | |
1631 | dmi_get_system_info(DMI_PRODUCT_NAME)); | |
1da177e4 LT |
1632 | psmouse->rate = 40; |
1633 | } | |
1da177e4 | 1634 | |
6c53694f | 1635 | if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(info->identity)) { |
7968a5dd DD |
1636 | err = device_create_file(&psmouse->ps2dev.serio->dev, |
1637 | &psmouse_attr_disable_gesture.dattr); | |
1638 | if (err) { | |
1639 | psmouse_err(psmouse, | |
1640 | "Failed to create disable_gesture attribute (%d)", | |
1641 | err); | |
1642 | goto init_fail; | |
1643 | } | |
1644 | } | |
1645 | ||
1da177e4 LT |
1646 | return 0; |
1647 | ||
1648 | init_fail: | |
1649 | kfree(priv); | |
7968a5dd DD |
1650 | return err; |
1651 | } | |
1652 | ||
e839ffab BT |
1653 | static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) |
1654 | { | |
1655 | struct synaptics_device_info info; | |
1656 | int error; | |
1657 | ||
1658 | psmouse_reset(psmouse); | |
1659 | ||
1660 | error = synaptics_query_hardware(psmouse, &info); | |
1661 | if (error) { | |
1662 | psmouse_err(psmouse, "Unable to query device: %d\n", error); | |
1663 | return error; | |
1664 | } | |
1665 | ||
1666 | return synaptics_init_ps2(psmouse, &info, absolute_mode); | |
1667 | } | |
1668 | ||
1669 | int synaptics_init_absolute(struct psmouse *psmouse) | |
7968a5dd DD |
1670 | { |
1671 | return __synaptics_init(psmouse, true); | |
1672 | } | |
1673 | ||
1674 | int synaptics_init_relative(struct psmouse *psmouse) | |
1675 | { | |
1676 | return __synaptics_init(psmouse, false); | |
1da177e4 LT |
1677 | } |
1678 | ||
e839ffab BT |
1679 | static int synaptics_setup_ps2(struct psmouse *psmouse, |
1680 | struct synaptics_device_info *info) | |
1681 | { | |
1682 | bool absolute_mode = true; | |
1683 | int error; | |
1684 | ||
1685 | /* | |
1686 | * The OLPC XO has issues with Synaptics' absolute mode; the constant | |
1687 | * packet spew overloads the EC such that key presses on the keyboard | |
1688 | * are missed. Given that, don't even attempt to use Absolute mode. | |
1689 | * Relative mode seems to work just fine. | |
1690 | */ | |
1691 | if (broken_olpc_ec) { | |
1692 | psmouse_info(psmouse, | |
1693 | "OLPC XO detected, forcing relative protocol.\n"); | |
1694 | absolute_mode = false; | |
1695 | } | |
1696 | ||
1697 | error = synaptics_init_ps2(psmouse, info, absolute_mode); | |
1698 | if (error) | |
1699 | return error; | |
1700 | ||
1701 | return absolute_mode ? PSMOUSE_SYNAPTICS : PSMOUSE_SYNAPTICS_RELATIVE; | |
1702 | } | |
1703 | ||
55e3d922 AS |
1704 | #else /* CONFIG_MOUSE_PS2_SYNAPTICS */ |
1705 | ||
7705d548 DT |
1706 | void __init synaptics_module_init(void) |
1707 | { | |
1708 | } | |
1709 | ||
e839ffab BT |
1710 | static int __maybe_unused |
1711 | synaptics_setup_ps2(struct psmouse *psmouse, | |
1712 | struct synaptics_device_info *info) | |
55e3d922 AS |
1713 | { |
1714 | return -ENOSYS; | |
1715 | } | |
1716 | ||
1717 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */ | |
e839ffab BT |
1718 | |
1719 | #ifdef CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS | |
1720 | ||
1721 | /* | |
1722 | * The newest Synaptics device can use a secondary bus (called InterTouch) which | |
1723 | * provides a better bandwidth and allow a better control of the touchpads. | |
1724 | * This is used to decide if we need to use this bus or not. | |
1725 | */ | |
1726 | enum { | |
1727 | SYNAPTICS_INTERTOUCH_NOT_SET = -1, | |
1728 | SYNAPTICS_INTERTOUCH_OFF, | |
1729 | SYNAPTICS_INTERTOUCH_ON, | |
1730 | }; | |
1731 | ||
f4947d79 BT |
1732 | static int synaptics_intertouch = IS_ENABLED(CONFIG_RMI4_SMB) ? |
1733 | SYNAPTICS_INTERTOUCH_NOT_SET : SYNAPTICS_INTERTOUCH_OFF; | |
e839ffab BT |
1734 | module_param_named(synaptics_intertouch, synaptics_intertouch, int, 0644); |
1735 | MODULE_PARM_DESC(synaptics_intertouch, "Use a secondary bus for the Synaptics device."); | |
1736 | ||
1737 | static int synaptics_create_intertouch(struct psmouse *psmouse, | |
1738 | struct synaptics_device_info *info, | |
1739 | bool leave_breadcrumbs) | |
1740 | { | |
1741 | bool topbuttonpad = | |
1742 | psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && | |
1743 | !SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10); | |
1744 | const struct rmi_device_platform_data pdata = { | |
1745 | .sensor_pdata = { | |
1746 | .sensor_type = rmi_sensor_touchpad, | |
1747 | .axis_align.flip_y = true, | |
2b30297d | 1748 | .kernel_tracking = false, |
e839ffab BT |
1749 | .topbuttonpad = topbuttonpad, |
1750 | }, | |
1751 | .f30_data = { | |
1752 | .buttonpad = SYN_CAP_CLICKPAD(info->ext_cap_0c), | |
1753 | .trackstick_buttons = | |
1754 | !!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10), | |
1755 | }, | |
1756 | }; | |
1757 | const struct i2c_board_info intertouch_board = { | |
1758 | I2C_BOARD_INFO("rmi4_smbus", 0x2c), | |
1759 | .flags = I2C_CLIENT_HOST_NOTIFY, | |
1760 | }; | |
1761 | ||
1762 | return psmouse_smbus_init(psmouse, &intertouch_board, | |
bf232e46 | 1763 | &pdata, sizeof(pdata), true, |
e839ffab BT |
1764 | leave_breadcrumbs); |
1765 | } | |
1766 | ||
1767 | /** | |
1768 | * synaptics_setup_intertouch - called once the PS/2 devices are enumerated | |
1769 | * and decides to instantiate a SMBus InterTouch device. | |
1770 | */ | |
1771 | static int synaptics_setup_intertouch(struct psmouse *psmouse, | |
1772 | struct synaptics_device_info *info, | |
1773 | bool leave_breadcrumbs) | |
1774 | { | |
1775 | int error; | |
1776 | ||
1777 | if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_OFF) | |
1778 | return -ENXIO; | |
1779 | ||
1780 | if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_NOT_SET) { | |
1781 | if (!psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && | |
2fef826e BT |
1782 | !psmouse_matches_pnp_id(psmouse, smbus_pnp_ids)) { |
1783 | ||
1784 | if (!psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids)) | |
1785 | psmouse_info(psmouse, | |
1786 | "Your touchpad (%s) says it can support a different bus. " | |
1787 | "If i2c-hid and hid-rmi are not used, you might want to try setting psmouse.synaptics_intertouch to 1 and report this to linux-input@vger.kernel.org.\n", | |
1788 | psmouse->ps2dev.serio->firmware_id); | |
1789 | ||
e839ffab | 1790 | return -ENXIO; |
2fef826e | 1791 | } |
e839ffab BT |
1792 | } |
1793 | ||
1794 | psmouse_info(psmouse, "Trying to set up SMBus access\n"); | |
1795 | ||
1796 | error = synaptics_create_intertouch(psmouse, info, leave_breadcrumbs); | |
1797 | if (error) { | |
1798 | if (error == -EAGAIN) | |
1799 | psmouse_info(psmouse, "SMbus companion is not ready yet\n"); | |
1800 | else | |
1801 | psmouse_err(psmouse, "unable to create intertouch device\n"); | |
1802 | ||
1803 | return error; | |
1804 | } | |
1805 | ||
1806 | return 0; | |
1807 | } | |
1808 | ||
1809 | int synaptics_init_smbus(struct psmouse *psmouse) | |
1810 | { | |
1811 | struct synaptics_device_info info; | |
1812 | int error; | |
1813 | ||
1814 | psmouse_reset(psmouse); | |
1815 | ||
1816 | error = synaptics_query_hardware(psmouse, &info); | |
1817 | if (error) { | |
1818 | psmouse_err(psmouse, "Unable to query device: %d\n", error); | |
1819 | return error; | |
1820 | } | |
1821 | ||
1822 | if (!SYN_CAP_INTERTOUCH(info.ext_cap_0c)) | |
1823 | return -ENXIO; | |
1824 | ||
1825 | return synaptics_create_intertouch(psmouse, &info, false); | |
1826 | } | |
1827 | ||
1828 | #else /* CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ | |
1829 | ||
1830 | static int __maybe_unused | |
1831 | synaptics_setup_intertouch(struct psmouse *psmouse, | |
1832 | struct synaptics_device_info *info, | |
1833 | bool leave_breadcrumbs) | |
1834 | { | |
1835 | return -ENOSYS; | |
1836 | } | |
1837 | ||
1838 | int synaptics_init_smbus(struct psmouse *psmouse) | |
1839 | { | |
1840 | return -ENOSYS; | |
1841 | } | |
1842 | ||
1843 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ | |
1844 | ||
1845 | #if defined(CONFIG_MOUSE_PS2_SYNAPTICS) || \ | |
1846 | defined(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS) | |
1847 | ||
1848 | int synaptics_init(struct psmouse *psmouse) | |
1849 | { | |
1850 | struct synaptics_device_info info; | |
1851 | int error; | |
1852 | int retval; | |
1853 | ||
1854 | psmouse_reset(psmouse); | |
1855 | ||
1856 | error = synaptics_query_hardware(psmouse, &info); | |
1857 | if (error) { | |
1858 | psmouse_err(psmouse, "Unable to query device: %d\n", error); | |
1859 | return error; | |
1860 | } | |
1861 | ||
1862 | if (SYN_CAP_INTERTOUCH(info.ext_cap_0c)) { | |
f4101ff8 BT |
1863 | if ((!IS_ENABLED(CONFIG_RMI4_SMB) || |
1864 | !IS_ENABLED(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS)) && | |
1865 | /* Forcepads need F21, which is not ready */ | |
1866 | !psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids)) { | |
1867 | psmouse_warn(psmouse, | |
1868 | "The touchpad can support a better bus than the too old PS/2 protocol. " | |
1869 | "Make sure MOUSE_PS2_SYNAPTICS_SMBUS and RMI4_SMB are enabled to get a better touchpad experience.\n"); | |
1870 | } | |
1871 | ||
e839ffab BT |
1872 | error = synaptics_setup_intertouch(psmouse, &info, true); |
1873 | if (!error) | |
1874 | return PSMOUSE_SYNAPTICS_SMBUS; | |
1875 | } | |
1876 | ||
1877 | retval = synaptics_setup_ps2(psmouse, &info); | |
1878 | if (retval < 0) { | |
1879 | /* | |
1880 | * Not using any flavor of Synaptics support, so clean up | |
1881 | * SMbus breadcrumbs, if any. | |
1882 | */ | |
1883 | psmouse_smbus_cleanup(psmouse); | |
1884 | } | |
1885 | ||
1886 | return retval; | |
1887 | } | |
1888 | ||
1889 | #else /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ | |
1890 | ||
1891 | int synaptics_init(struct psmouse *psmouse) | |
1892 | { | |
1893 | return -ENOSYS; | |
1894 | } | |
1895 | ||
1896 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ |